<PTDiffusionSubscriberStreamDelegate> Protocol Reference

Introduction

Methods implemented by classes handling streamed subscription events for value topics.

This protocol defines optional methods implemented by classes wishing to receive streamed subscription events.

See Also

PTDiffusionStreams

Since

5.9

Inheritance diagram for <PTDiffusionSubscriberStreamDelegate>:

Instance Methods
(void)	- diffusionStream:didSubscribeToTopicPath:specification:
(void)	- diffusionStream:didUnsubscribeFromTopicPath:specification:reason:
Instance Methods inherited from <PTDiffusionStreamDelegate>
(void)	- diffusionStream:didFailWithError:
(void)	- diffusionDidCloseStream:

Method Documentation

- (void) diffusionStream: (PTDiffusionStream *)  stream didSubscribeToTopicPath: (NSString *)  topicPath specification: (PTDiffusionTopicSpecification *)  specification

optional

A topic has been subscribed to.

This is called when a client becomes subscribed to a topic. This method is also called when a stream is added that matches a topic to which the session is already subscribed.

This will always be the first notification to the stream for a topic.

Currently, topic properties are not available via this notification.

Parameters

stream	The stream that received the update.
topicPath	The topic path to which the session has been subscribed.
specification	The specification for the subscribed topic.

Since

5.9

- (void) diffusionStream: (PTDiffusionStream *)  stream didUnsubscribeFromTopicPath: (NSString *)  topicPath specification: (PTDiffusionTopicSpecification *)  specification reason: (PTDiffusionTopicUnsubscriptionReason)  reason

optional

A topic has been unsubscribed.

Parameters

stream	The stream that received the update.
topicPath	The topic path from which the session has been unsubscribed.
specification	The specification for the unsubscribed topic.
reason	The reason for the unsubscription.

Since

5.9